diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index f51acb9..b08934c 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -356,6 +356,7 @@ spcd_step__environment_defaults_print() {
         "REF_FEATURE" \
         "REF_RELEASE" \
         "REF_STAGING" \
+        "TXT_LANGUAGE" \
         "URL_ALMA" \
         "URL_ALPINE" \
         "URL_ARCH" \
@@ -390,6 +391,8 @@ spcd_step__environment_defaults_set() {
     [ -n "${SPCD_REF_RELEASE}" ] || SPCD_REF_RELEASE="main"
     [ -n "${SPCD_REF_STAGING}" ] || SPCD_REF_STAGING="dev"
 
+    [ -n "${SPCD_TXT_LANGUAGE}" ] || SPCD_TXT_LANGUAGE="en"
+
     [ -n "${SPCD_URL_ALMA}" ] ||
         # /almalinux/$releasever/…
         # /vault/$releasever/…